Maura Tierney to tell 'The Whole Truth' with Rob Morrow at ABC

maura-tierney-320-getty.jpgABC's new Jerry Bruckheimer-produced legal drama "The Whole Truth" has nabbed another official star -- Maura Tierney will join Rob Morrow as the lead characters on the show.

According to Deadline, Tierney is slated to play Kathryn Peale, a deputy bureau chief in the Manhattan District Attorney's office. Morrow will play Jimmy Brogan, a rising criminal attorney who is a friend of hers. The two will square off in court each week.

Tierney is taking over the Peale role from Joely Richardson, who pulled out citing personal reasons after the recent deaths in her famous acting family. Tierney previously pulled out of NBC's "Parenthood" to receive treatment for breast cancer, but has rejoined the acting world with "Truth," which will air at 10 p.m. ET Wednesdays on ABC in the fall.

Check out these sneak peek clips for a taste of the show.

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